apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: helm-upgrade-from-source
  labels:
    app.kubernetes.io/version: "0.3"
  annotations:
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/categories: Deployment
    tekton.dev/tags: helm
    tekton.dev/platforms: "linux/amd64,linux/s390x,linux/ppc64le,linux/arm64"
spec:
  description: >-
    These tasks will install / upgrade a helm chart into your Kubernetes /
    OpenShift Cluster using Helm

  params:
    - name: charts_dir
      description: The directory in source that contains the helm chart
    - name: release_version
      description: The helm release version in semantic versioning format
      default: "v1.0.0"
    - name: release_name
      description: The helm release name
      default: "helm-release"
    - name: release_namespace
      description: The helm release namespace
      default: ""
    - name: overwrite_values
      description: "Specify the values you want to overwrite, comma separated: autoscaling.enabled=true,replicas=1"
      default: ""
    - name: values_file
      description: "The values file to be used"
      default: "values.yaml"
    - name: helm_image
      description: "helm image to be used"
      default: "docker.io/lachlanevenson/k8s-helm:v3.10.2" #tag: v3.6.0
    - name: upgrade_extra_params
      description: "Extra parameters passed for the helm upgrade command"
      default: ""
  workspaces:
    - name: source
    - name: kubeconfig-dir
      optional: true
  steps:
    - name: upgrade
      image: $(params.helm_image)
      workingDir: /workspace/source
      script: |
        echo "Setting up kubeconfig..."
        [[ "$(workspaces.kubeconfig-dir.bound)" == "true" ]] && \
        [[ -f $(workspaces.kubeconfig-dir.path)/kubeconfig ]] && \
        export KUBECONFIG=$(workspaces.kubeconfig-dir.path)/kubeconfig
        echo "Setting up variables..."
        release_name="$(echo '$(params.release_name)' | tr '[:upper:]' '[:lower:]')"
        echo "Release name: $release_name"
        echo "Getting helm dependencies..."
        helm dependency build "$(params.charts_dir)"
        echo "installing helm chart..."
        helm upgrade --install --wait --values "$(params.charts_dir)/$(params.values_file)" --namespace "$(params.release_namespace)" --version "$(params.release_version)" "$release_name" "$(params.charts_dir)" --debug --set "$(params.overwrite_values)" $(params.upgrade_extra_params)